Physical Science Review

Newton's First Law is also know as

• The Law of Gravity

• The Law of Stupidity

• The Law of Momentum

• The Law of Inertia

Air Resistance is ____________ acting on something moving through the air.

• Gravity

• Friction

• Wind

• Force

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The speed at at which the acceleration of a falling object is zero because friction balances the weight.

• Terminal Speed

• Vectoral Speed

• Maximum Speed

• Average Speed

Free fall is when an object moves under the influence of ________________________ only.

• Velocity Force

• Unbalanced Force

• Gravitational Force

• Equilibrium Force

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Whenever work is done, energy changes

• Work-energy Theorem

• Power-lifting Theorem

• Work-power Theorem

• Work-work Theorem

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When objects collide without being permanently deformed and without generating heat.

• Spastic Collision

• Erratic Collision

• Plastic Collision

• Elastic Collision

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_________________ is the unit for power. (joule per second)

• Joule

• Energy

• Watt

• Pound

When one object exerts a force on a second object, that second object exerts a force that is equal in magnitude and opposite in direction.

• Newton's 1st Law

• Newton's 2nd Law

• Newton's 3rd Law

• Newton's 4th Law

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How fast an object is moving (scalar)

• Acceleration

• Speed

• Friction

• Weight

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Weight equals

• Mass x time

• time x weight

• Gravity x friction

• Mass x gravity